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→Method
==Key Stage 4==
{{#ev:youtube|https://www.youtube.com/watch?v=OY0lXHPo_nM}}
===Meaning===
Investigate the features of [[Mechanical Wave|mechanical waves]].
{| class="wikitable"
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|[[File:RequiredPracticalRippleTankRippleTank.png|center|600px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of the [[apparatus]] used to investigate the features of [[Mechanical Wave|mechanical waves]].
====Improving [[Accuracy]]====
: Count the number of [[wave]]s over a greater period of [[time]] greater than 10 [[second]]s to reduce the effect of [[Human Error|human error]] on the [[frequency]].
===Experiment 2: Waves on a String===
{| class="wikitable"
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|[[File:StringWave.png|center|500px600px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of the [[apparatus]] used to investigate the features of a [[Waves on a String|wave on a string]].
#Use the equation <math>v=f \lambda</math> to find the [[Wave Speed|wavespeed]] of the [[wave]].
#Repeat for different 5 [[frequency|frequencies]] of the [[wave]].